113303021031 has 12 divisors (see below), whose sum is σ = 163774145808. Its totient is φ = 75482627424.

The previous prime is 113303020993. The next prime is 113303021057. The reversal of 113303021031 is 130120303311.

It is a happy number.

113303021031 is a `hidden beast` number, since 1 + 1 + 330 + 302 + 1 + 0 + 31 = 666.

It is not a de Polignac number, because 113303021031 - 2¹³ = 113303012839 is a prime.

It is a super-2 number, since 2×113303021031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113303020995 and 113303021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113303021731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4379715 + ... + 4405508.

It is an arithmetic number, because the mean of its divisors is an integer number (13647845484).

Almost surely, 2^113303021031 is an apocalyptic number.

113303021031 is a deficient number, since it is larger than the sum of its proper divisors (50471124777).

113303021031 is a wasteful number, since it uses less digits than its factorization.

113303021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786662 (or 8786659 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 113303021031 its reverse (130120303311), we get a palindrome (243423324342).

The spelling of 113303021031 in words is "one hundred thirteen billion, three hundred three million, twenty-one thousand, thirty-one".